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Add an auxiliary input to your factory system and connect any outside audio source to your factory stereo. Shop now!

Aux Input Adapters & Cables

By adding a 3.5mm jack or auxiliary input to your factory system you can connect any outside audio (and sometimes video) source to your factory stereo such as a portable MP3 player, portable navigation device, remote mount DVD player or other source.
3.5mm Aux Input Adapter Cables
Universal Aux Input Adapters
Aftermarket-Stereo Specific Aux Input Adapters
Aux Input Adapters for Factory Radio
Auxiliary Input Switchers
FM Modulators
FM Transmitters

Top 20 in Aux Input Adapters & Cables

2 meter (6 feet) Aux to Aux Cable Connector, Great for iPod / MP3 Player headphone jack connection to car stereo aux input

6 feet Aux Input Connector Adapter • 1/8" Auxiliary Cable • Male to Male Connections • Stereo Signal Transfer • 6 Feet Long • Nickel Plated Contacts • Works With Any 3.5mm Audio Device

50% off a 3.5mm Aux Audio Cable with Purchase!

$4.99

IN STOCK

Universal Car FM Radio Integration for MP3 Players, Smartphones, and Tablets (TranzitUSB)

• iSimple Tranzit USB In-Car FM Radio Integration Kit
• Play Music and Charge
• Works with Any Car Stereo
• Audio Playback
• Works with Smart Phones, Tablets, and Other Portable Audio Devices
• 3 Installation Configurations
• 3.5mm Audio Input

$57.95

IN STOCK

Universal USB + 3.5mm Audio Port with Covered Panel

• USB Extension Cable
• Covered Port
• Compatible for Universal Marine Receivers
• USB to 3.5mm Jack

$12.99

IN STOCK

USB Digital to Analog Convertor for Apple and Samsung Devices

• USB Digital to Analog Convertor
• Compatible with Apple and Samsung Devices
• Charges and Plays Music from Connected Devices
• Works with Any FM Equipped Radio

$89.95

IN STOCK

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Mobile Car MP3 Cassette Adaptor (DOES NOT INCLUDE CHARGER)

• Universal Cassette Adapter
• Plays iPod, iPhone, MP3, CD and Other Audio Devices via 3.5mm input
• Static Free Connection
• 4.5 Foot Cable Length
• Plug and Play Design

Save 20% on an iSimple BluClik Bluetooth Remote Contol!

$8.99

IN STOCK

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5 Ft. Aux Minidin To 3.5Mm Audio Cable (CABLE-35MDN)

• 5 Ft. Mini Din to 3.5mm Cable
• Compatible With Any GROM iPod, USB and AUX Car Interfaces
• High Quality Cable That Delivers Quality Sound

50% off 3.5mm Auxiliary Audio Cable w/ Purchase!

$9.75

IN STOCK

2 ft 3.5mm Male Mini-jack Headphone Aux-2-RCA Male Audio Cable Adapter

• 3.5mm Mini-Jack to RCA Adapter
• 2 ft. Long • Connect iPhone, iPod, MP3 Players & More!
• Full L/R Stereo

$4.99

IN STOCK

5 Ft 3.5mm Auxiliary Input Audio Cable with 5 Volt USB Charging

• Compatible With All GROM Audio OEM Interfaces
• Plugs Directly To The Extension Port Of GROM Box
• GROM Mini Din To 3.5mm Audio Cable
• Adds 5V USB Charging For Many Mobile Phones/MP3 Players
• Plug and Play Design

50% off 3.5mm Auxiliary Cable + USB w/ Purchase!

$14.99

IN STOCK

Dash Mountable Auxiliary Input Adapter

Dash Mountable Auxiliary Input Adapter • Provides Aux Input Anywhere in the Car • Eliminates Messy Tangled Cables • 3/8" Hole Need for Proper Insertion • Easy to Install • Reliable and Secure Connection • 3.5mm to RCA Adapter Included

$12.99

IN STOCK

12 Ft Expert Link Auxiliary Mini-Jack to RCA Interconnect Cable

Expert Link Mini-Jack to RCA Cable • 3.5mm Phono Plug to RCA Interconnects • Gold-Plated Contacts • Stress Relieving Ends • Twisted Pair Construction • Cable Length: 12 Feet • RCA's Have Split Tip Ends & 8-Cut Turbines

$7.99

IN STOCK

Perfect for connecting iPods and other devices to any auxiliary connection!

• 10 Pack of 6 feet Aux Input Connector Adapters
• 1/8" Auxiliary Cable
• Male to Male Connections
• Stereo Signal Transfer
• 6 Feet Long
• Nickel Plated Contacts
• Works With Any 3.5mm Audio Device

$9.90

IN STOCK

6 ft. 2-Channel 4000 Series 3.5mm Aux to RCA Adapter

6 ft. 2-Channel 4000 Series 3.5mm Aux to RCA Adapter • Directional twisted-pair conductors sheds unwanted interference • Directional, high-twist construction retains signal integrity • ShocKrome end with split top delivers performance while preventing corrosion

$9.99

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Duo 6 Ft. AUX Cable: 8-Pin DIN to 3.5mm Mini Female

• 6 Ft. DUO AUX Cable: 8-Pin DIN to 3.5mm Mini and RCA
• Auxiliary Connection Kit
• Compatible with Audiovox Silverline Duo iPhone/iPod Integration Kits

Save 25% on an Auxiliary Cable!

$16.99

IN STOCK

3 Ft Expert Link Auxiliary Mini-Jack to RCA Interconnect Cable

Expert Link Mini-Jack to RCA Cable • 3.5mm Phono Plug to RCA Interconnects • Gold-Plated Contacts • Stress Relieving Ends • Twisted Pair Construction • Cable Length: 3 Feet • RCA's Have Split Tip Ends & 8-Cut Turbines

$8.99

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2003 GM Auxiliary Audio Input

• Auxiliary Audio Input Interface For 2003-2005 GM Vehicles
• High Quality Audio Isolation Eliminates Engine Noise
• Inputs Source From Such DVD, VCP, MP3

$37.95

IN STOCK

3 Ft Expert Link Auxiliary Mini-Jack to RCA Interconnect Cable

Expert Link Mini-Jack to RCA Cable • 3.5mm Phono Plug to RCA Interconnects • Nickel-Plated Contacts • Stress Relieving Ends • Twisted Pair Construction • Cable Length: 3 Feet • RCA's Have Split Tip Ends

$4.99

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Universal FM Modulator for iPod, MP3 and other Auxiliary Devices

Universal FM Modulator for iPod, MP3 and Auxiliary Input Devices • Perfect for being able to play your iPod or MP3 Player through your car stereo

$33.99

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iSimple Factory Auxiliary Audio Input Interface

• Factory Auxiliary Input Interface
• Integrates Audio Source Directly Into Factory Radio
• Direct Audio Inputs For Excellent Sound Quality

$57.99

IN STOCK

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4000 Series Interconnects 6.0 ft Right Angle 3.5mm to Right Angle 3.5mm

4000 Series 3.5mm car and home audio 6 foot extension cable • Right angle adapters • Twisted cable design to filter interference •

$7.99

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Antenna Bypass FM Modulator for Factory or Aftermarket Car Radios

Antenna Bypass FM Modulator • Compatible with any factory or aftermarket FM Radio • Plays iPod, MP3 Players • Provides crisp sound

$26.99

IN STOCK